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How fast does a saber tooth tiger run?

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Despite the colloquial name of "saber-toothed tiger", Smilodon is not a tiger. ... designed for power rather than fast running, and S. populator would have had

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Smilodon tiger

The Quaternary period saw the extinctions of numerous predominantly larger, especially megafaunal, species, many of which occurred during the transition from the Pleistocene to the Holocene epoch. However, the extinction wave did not stop at the end of the Pleistocene, but continued, especially on isolated islands, in Holocene extinctions. Among the main causes hypothesized by paleontologists are natural climate change and overkill by humans, who appeared during the Middle Pleistocene and migrated to many regions of the world during the Late Pleistocene and Holocene. A variant of the latter possibility is the second-order predation hypothesis, which focuses more on the indirect damage caused by overcompetition with nonhuman predators. The spread of disease is also discussed as a possible reason.

The Late Pleistocene extinction event saw the extinction of many mammals weighing more than 40 kg.

A saber-toothed cat (alternatively spelled sabre-toothed cat), also mistakenly known as a saber-toothed tiger, is any of various groups of predatory mammals related to modern cats (or resembling cats) that were characterized by long, sabre-shaped canine teeth. These animals belonged to taxa of Machairodontinae (Felidae), Barbourofelidae and Nimravidae (both Feliformia) as well as two families related to marsupials that were found worldwide from the Eocene Epoch to the end of the Pleistocene Epoch (42 mya—11,000 years ago), existing for approximately 42 million years. The large maxillary canine teeth extended from the mouth even when it was closed. Despite the name, not all animals known as saber-toothed cats were closely related to modern felines.

The Nimravidae are the oldest, entering the landscape around 42 mya and becoming extinct by 7.2 mya. Barbourofelidae entered around 16.9 mya and were extinct by 9 mya. These two would have shared some habitats.

Cenozoic Extinction Phanerozoic Saber

Zanclodon is an extinct genus of archosaurian reptile endemic to what would have been Europe during the Middle Triassic-Late Triassic epochs (245—199.6 mya).

Zanclodon ('scythe tooth') is the name formally used for fossil material that actually belongs to at least two genera of dinosaur from the Late Triassic. Parrish (1993), Nesbitt (2005) and Nesbitt and Norell (2006) do not believe that Zanclodon is a dinosaur and place it in the clade Suchia, incertae sedis. It was formerly placed in the Teratosauridae, within the Theropoda. The type species, Zanclodon laevis, is based on a left maxilla that represents an indeterminate archosaurian. Therefore, the genus is not unambiguously identifiable.

Machairodontinae Homotherium Environment Sports
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